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Edge Chromium Flash Player

Click on the Menu icon and select “ Settings “. On the left panel, select the “ Site Permissions ” option. Select “ Adobe Flash ” on the right panel. On this page, turn on “ Ask before running Flash ” toggle button. As soon as you toggle the Flash option to ON position, the Flash is enabled in the Edge browser. Windows 10 update won’t affect any third-party programs and Chrome or Edge browser plug-ins, but Adobe is now rolling out a server-side update that blocks Flash Player content. Microsoft now says the new 'full-Chromium' Edge will use the same kill-Flash calendar as Google's Chrome, the vastly more popular browser that also relies on Chromium.

Introduction

Neither SAP nor I can give any warranty or support for Adobe Flash and if you repeat any steps described here, you do this on your own risk.

As Adobe announced, Flash player support will be dismissed end of 2020/beginning of 2021.

If enterprises are running applications based on Adobe Flash, it is strongly recommended to migrate them and disable Adobe Flash Player on all clients, as also security fixes will be discontinued.

For some cases though, there might be no migration options due to several reasons – and in order to continue operations, it will then be necessary to keep Flash Player active for a number of clients.

This blog post shall give an overview about findings and the impacts of the Flash Player End Of Life (EOL), in case you require to continue running Flash-based applications in 2021.

SAP has published Notes regarding different products on this topic covering official information, e.g.:

The company HARMAN is taking over the official role of a distributor for enterprise customers and will deliver maintenance for Adobe Flash.

In case you are insecure, you should rather get in contact with HARMAN.

If you try to keep Flash running on your own, always keep in mind the security risk of running outdated or unpatched software – and secure it in other ways.

Announced facts about end of flash support

Adobe will stop supporting Flash after December 31st, 2020
Browser Vendors have announced to remove support for flash plugins and APIs starting early 2021.
- Chrome/Chromium: version 88+ will remove flash support January 2021
- Firefox: version 85 will remove flash support in January 2021
- Firefox Extended Support Release 78 (supported until June/October 2021) can further be used to run Flash
- Microsoft has announced to remove Flash with an optional Windows Update from installations and also shut down distribution sources
Adobe Flash installations have a system-time-controlled “kill switch” that blocks functioning for most clients as of January 12th, 2021
- This can could be observed by setting a client’s time ahead to a later date prior to Flash EOL
- Technically the “kill switch” consists of an enforced allow-listing after EOL
Adobe announced to shut down distribution sources beginning of 2021 which might stop online installers and referencing package distributions (e.g. on Linux) from working

Possible Mitigations

Install Flash on your machines within year 2020
- In case you have problems installing flash on your machine, you can acquire full installers for your machine from help page, section “Still having problems”, at least until end of 2020.
- Update January 22, 2021: Adobe download pages seem inaccessible meanwhile, though I was still able to find trustworthy mirrors for the Flash Player installer
Apply mms.cfg to disable the “kill switch” in client flash installations, according to Adobe Flash Admin Guide
- As of January 12th (after EOL), only allow-listed hosts are accessible as the Parameter “EnableAllowList=1” is enforced (page 31).
- Therefore, you will have to use the configuration file to allow flash usage specified hosts only with parameter “AllowListUrlPattern” – this also helps to reduce security risks of flash usage
A Microsoft blog previews that a cumulative update or monthly rollup will remove policies regarding Flash Player as of summer 2021 for Internet Explorer and Microsoft Edge
- By blocking or not installing the optional KB for removal, it might be possible to continue running flash in Internet Explorer or Edge legacy mode until summer, blocking the announced cumulative update/rollup even further
Install a browser version that still supports flash and disable automatic browser updates
- Update January 22, 2021: Firefox ESR 78.6.1 still plays Flash content and is downloadable at Mozilla
The open source community heavily increased push frequency on flash support, e.g. in Lightspark or Ruffle and might be a solution for a rising number of use cases while not having 100% coverage yet

An example of a working mms.cfg file can e.g. contain the following (replace the AllowListUrlPattern parameters with hosts and ports matching for your scenario):

Remark: In some older versions of Flash Player, still the deprecated wording is recognised exclusively. Therefore, in case of problems e.g. with older versions of Internet Explorer, you might have to replace EnableAllowList, AllowlistPreview, AllowListUrlPattern by EnableWhitelist, WhitelistPreview, WhitelistUrlPattern.

Location of the file can be derived from Adobe Flash Admin Guide. Examples:

MacOS: /Library/Application Support/Macromedia
Windows x86: C:WindowsSystem32MacromedFlash
Windows x64: C:WindowsSysWow64MacromedFlash

Update January 22, 2021: The AllowListUrlPattern entries are obligatory for further use. Make sure all your systems are entered here.

I personally tested MacOS and Windows Server 2016 on my machines using the config above with Firefox ESR (version 78.5.0esr) – I cannot guarantee it working in your environment, but I will keep testing and add further information to this blog post.

Internet Explorer still works for me as well – while Chrome and Chromium Edge updated in my environment and are not capable of running flash anymore.

Due to availability and support timeframes, I’d go for both Firefox ESR and Internet Explorer.

Summary

If you need to continue using Browser-Flash applications in 2021, you have a few options to do so.

According to the announced information, for working environments there should not be an impact before January 12th.

HARMAN can help you with a supported enterprise distribution of Flash Player as “Packaged Browser” solution
If you have got Flash already installed on your machines, it might be sufficient to block updates for one specific browser such as Chrome, Chromium-based browsers (like e.g. the new Microsoft Edge) or Firefox (ESR) and apply an mms.cfg as in the example above
If you are using Microsoft Internet Explorer or Edge Legacy mode, make sure to not install or block the Windows updates containing the removal of Flash as well as Flash integration components on the clients where you need to continue running flash. In any case you will have to add an mms.cfg as above

If you have got a working environment, it might be beneficial to save a backup/snapshot of it – in case you need to restore due to a failure or by error installed an update removing functionality.

I will update this blog post with findings that arise in the future, as the current situation is only a preview on the options available.

Changelog:

January 22, 2021: Added a few more findings and statuses across the guide, fixed allow-list-related statements
January 29, 2021: Added more precision explaining the “kill switch”
March 1, 2021: Added remark regarding non-documented, older wording for mms.cfg thanks to Marek’s comment

Even though video sharing websites such as YouTube are switching many of their videos to HTML5, there’s no doubt that the Adobe Flash format is still hugely popular and commands a large share of the market. There are many computer users around who don’t like Flash and refuse to have the player installed because of various security concerns or performance related issues, and other users just don’t need or want it installed because they don’t view Flash content.

Portable applications such as the Firefox and Opera web browsers are very popular these days and they make use of plugins to add components to the browser. One of the plugins you can add is one to enable Adobe Flash Player support, but the problem being there isn’t a portable version of Flash to use in the portable browser. There is however, one popular browser that’s had built in Flash support for a couple of years. If you don’t want to manually enable support for Firefox or Opera, simply download and use Google Chrome portable.

There are ways to get around this problem if you want to use Flash with a portable Firefox or Opera, but they all have one thing in common, which is you will at some point need the Flash Player plugin installed on a computer somewhere to get the needed files as they can’t simply be extracted from the setup installer.

You do in fact only need a single file from the Flash installation to enable it in the portable browser, which is NPSWF32.dll. Some sources also mention the need for the flashplayer.xpt file but that’s not really necessary because it’s for scripting support.

From a Local Source

If you have the Flash PLUGIN BASED player installed on a computer you have access to, just go to the following location to find NPSWF32.dll:

In Windows 64-bit – C:WindowsSysWOW64MacromedFlash

In Windows 32-bit – C:WindowsSystem32MacromedFlash

Newer versions of the file also have revision numbers in the name such as “NPSWF32_14_0_0_145.dll”.

From the Internet

You might be able to find the dll file from various online sources, but you can’t always guarantee its safety. For your convenience we have hosted the Flash Player NPSWF32.DLL file to make things a bit easier, simply extract it from the zip archive and follow the instructions below to add to your portable browser.

Download NPSWF32.DLL

Without Installing or the Internet

Things get a little tricky if you have no access to the dll file locally and don’t want to download it because the Flash plugin needs installing for you to get hold of it. A few creative ways are using a sandbox application such as Sandboxie, or alternatively run the Flash installer inside a virtual machine using a program such as Virtualbox.

Installing the DLL into Firefox Portable

Once you have the NPSWF32.DLL all you need to do is copy it to the correct folder. If you don’t have Firefox portable yet, it can be downloaded at PortableApps.com.

Copy the DLL to – FirefoxPortableDataplugins

If you’re using a portable Firefox extracted from the original installer, you need to create a “Plugins” folder in the main folder and then copy the dll into it.

Flash Player Update

To make sure that Flash is properly installed and loaded into Firefox portable, go to the Addons Manager by pressing Ctrl+Shift+A -> Plugins. You can also check it’s working by going to the Adobe Flash test page.

Installing the DLL into Opera Portable

The procedure for installing the Flash dll into a portable version of Opera is essentially the same apart from the folder to copy the file to is different.

Copy the DLL to – OperaPortableAppOperaprogramplugins

Then type About:Plugins to check Flash is installed properly, or go to the Adobe test page to make sure it works.

Additional Note: It’s worth pointing out that during testing the portable Firefox kept crashing with the latest Flash Player plugin (11.6.602.180) and we had to resort to using an earlier version to get it working. If you have similar issues, download an earlier Flash plugin version and try that.

Edge Chromium Flash Player Chrome

You might also like:

Disable Automatic Updates for Chrome, Firefox, Flash, Adobe Reader and WindowsYouTube Videos Not Playing Properly in Google Chrome and FirefoxRun an Installed Firefox Browser Together with Firefox Portable VersionsHow to Install Portable Java Runtime Environment onto USB Flash DriveBuild Custom Firefox Silent Installer with FFaM

Ali4 years ago

Hey,
Thank you for the instruction.
I’ve got a question though. I’m using the official portable Opera, and it has no directory as OperaPortableAppOperaprogramplugins. All there is is 41.0.2353.69, Assets, and profile. Where should I copy NPSWF32_23_0_0_207.dll?

Could you update these instructions for latest versions of Opera please?

This guide references paths that don’t exist in current rev from PortableApps (October 2016: v40.0.2308.81).

Steven5 years ago

could you update NPSWF32.DLL (version 20) please.

Hello, can you update NPSWF32.DLL to the latest version, 19.0.0.226?
I’m using Win7-64bit, englishUS, firefox.
Thanks a lot!

HAL9000 Admin5 years ago

Updated…

Could you provide an updated DLL? (version 17.0.0.169 is the latest)

Thanks :)

HAL9000 Admin6 years ago

Updated. ;)

Hi,
could you update NPSWF32.DLL (version 16)?
Thanks
Luigi

HAL9000 Admin6 years ago

Updated to 16.0.0.257…

hi,

great flash works :)
but how to get the latest version for firefox portable?

HAL9000 Admin7 years ago

I’ve updated the download to the latest NPSWF32 dll for Flash 14, simply copy that to the appropriate Firefox folder.

Flash Player Download For Windows 10

what I did was install flash on my pc to internet explorer 7 , that put the flash files
in system 32 folder.
Then after that I found I had to put the whole macromedia folder into Firefox plugin folder.
Then the flash worked and i Could watch videos in the portable Firefox.
If you get the latest flash installed on any browser in windows , just copy macromedia folder
that is in system 32 folder, and paste into portable Firefox plugin folder.
I dont think you can update because flash installer will not find the portable browser,
only the installed browsers.
It might if you put portable Firefox plugin folder into C:program files, might have to try that.

Flash For Microsoft Edge Chromium

you have to have the whole macromedia folder in firefox plugins folder for flash to work.

Edge Chromium Adobe Flash Player

vishu xenl8 years ago

Wonderful, Thanks Raymond

Wish I known how to do this a long time ago.